Select The Correct Answer.What Is This Equation Rewritten In Logarithmic Form? $9^x=3$A. $\log_9 3 = X$B. $\log_x 3 = 9$C. $\log_3 9 = X$D. $\log_3 X = 9$

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Introduction

Logarithmic equations are a fundamental concept in mathematics, and understanding how to rewrite them is crucial for solving various mathematical problems. In this article, we will focus on rewriting the equation 9x=39^x=3 in logarithmic form and explore the different options available.

What is Logarithmic Form?

Before we dive into rewriting the equation, let's briefly discuss what logarithmic form is. Logarithmic form is a way of expressing an exponential equation in a different format. It involves using logarithms to rewrite the equation in a more manageable form. The general form of a logarithmic equation is logab=c\log_a b = c, where aa is the base, bb is the result, and cc is the exponent.

Rewriting the Equation

Now that we have a basic understanding of logarithmic form, let's focus on rewriting the equation 9x=39^x=3. To do this, we need to use the definition of logarithms, which states that logab=c\log_a b = c is equivalent to ac=ba^c = b. In this case, we can rewrite the equation as log93=x\log_9 3 = x.

Option A: log93=x\log_9 3 = x

The first option is log93=x\log_9 3 = x. This is the correct answer, as we have already established that log93=x\log_9 3 = x is equivalent to 9x=39^x=3. This option is the most straightforward and is the correct choice.

Option B: logx3=9\log_x 3 = 9

The second option is logx3=9\log_x 3 = 9. This option is incorrect, as the base of the logarithm is xx, not 99. Additionally, the result of the logarithm is 33, not 99.

Option C: log39=x\log_3 9 = x

The third option is log39=x\log_3 9 = x. This option is incorrect, as the base of the logarithm is 33, not 99. Additionally, the result of the logarithm is 22, not xx.

Option D: log3x=9\log_3 x = 9

The fourth option is log3x=9\log_3 x = 9. This option is incorrect, as the base of the logarithm is 33, not xx. Additionally, the result of the logarithm is xx, not 99.

Conclusion

In conclusion, the correct answer is log93=x\log_9 3 = x. This option is the most straightforward and is the correct choice. We hope this article has provided a clear understanding of how to rewrite the equation 9x=39^x=3 in logarithmic form.

Common Mistakes to Avoid

When rewriting equations in logarithmic form, there are several common mistakes to avoid. These include:

  • Incorrect base: Make sure to use the correct base for the logarithm. In this case, the base is 99, not xx or 33.
  • Incorrect result: Make sure to use the correct result for the logarithm. In this case, the result is 33, not 99 or xx.
  • Incorrect exponent: Make sure to use the correct exponent for the logarithm. In this case, the exponent is xx, not 99 or 22.

Tips and Tricks

When rewriting equations in logarithmic form, there are several tips and tricks to keep in mind. These include:

  • Use the definition of logarithms: The definition of logarithms states that logab=c\log_a b = c is equivalent to ac=ba^c = b. Use this definition to rewrite the equation in logarithmic form.
  • Identify the base: Identify the base of the logarithm and make sure to use it correctly.
  • Identify the result: Identify the result of the logarithm and make sure to use it correctly.
  • Check your work: Check your work to make sure that the equation is correct.

Real-World Applications

Rewriting equations in logarithmic form has several real-world applications. These include:

  • Science: Logarithmic equations are used in science to model population growth, chemical reactions, and other phenomena.
  • Engineering: Logarithmic equations are used in engineering to model electrical circuits, mechanical systems, and other complex systems.
  • Finance: Logarithmic equations are used in finance to model stock prices, interest rates, and other financial instruments.

Conclusion

In conclusion, rewriting equations in logarithmic form is a crucial skill for mathematicians and scientists. By understanding how to rewrite the equation 9x=39^x=3 in logarithmic form, we can better understand the underlying mathematics and apply it to real-world problems. We hope this article has provided a clear understanding of how to rewrite the equation in logarithmic form and has provided valuable tips and tricks for mathematicians and scientists.